<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="事件标题" prop="title">
        <el-input
          v-model="queryParams.title"
          placeholder="请输入事件标题"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="上线状态" prop="online">
        <el-select v-model="queryParams.online" clearable placeholder="请选择上线状态">
          <el-option label="上线" value="1"></el-option>
          <el-option label="下线" value="2"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['rotation:rotation:add']"
        >新增
        </el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="rotationList" >
      <el-table-column label="事件标题" align="center" prop="title"/>
      <el-table-column label="事件图片" align="center" prop="cover">
        <template slot-scope="scope">
          <image-preview :src="scope.row.cover" :height="120"></image-preview>
        </template>
      </el-table-column>
      <el-table-column label="排序" align="center" prop="sort"/>
      <el-table-column label="是否上线" align="center" prop="online">
        <template slot-scope="scope">
          {{scope.row.sort==1?'上线':'下线'}}
        </template>
      </el-table-column>
      <el-table-column label="创建时间" align="center" prop="createDate" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createDate, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <router-link  :to="{path:'/rotationDetail', query: {id:scope.row.id}}" target="_blank">
            <el-button
              size="mini"
              type="text"
              icon="el-icon-document"
            > 查看
            </el-button>
          </router-link>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['rotation:rotation:edit']"
          >修改
          </el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['rotation:rotation:remove']"
          >删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改轮播图对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="1300px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="事件标题" prop="title" style="width: 600px">
          <el-input v-model="form.title" placeholder="请输入事件标题" />
        </el-form-item>
        <el-form-item label="事件图片" prop="cover">
          <image-upload v-model="form.cover" :limit="1"/>
          <span style="color: #f56c6c"> *&nbsp;图片宽度不低于990像素，高度不低于560像素</span>
        </el-form-item>
        <el-form-item label="是否上线" prop="online">
          <el-select v-model="form.online" clearable placeholder="请选择上线状态">
            <el-option label="上线" value="1"></el-option>
            <el-option label="下线" value="2"></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="排序" prop="sort">
          <el-input-number v-model="form.sort" :min="1" :max="10" label="请输入排序" />
        </el-form-item>
        <el-form-item label="内容">
          <editor v-model="form.content" :min-height="192"/>
        </el-form-item>

      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listRotation, getRotation, delRotation, addRotation, updateRotation } from '@/api/rotation/rotation'

export default {
  name: 'Rotation',
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 轮播图表格数据
      rotationList: [],
      // 弹出层标题
      title: '',
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        title: null,
        online: null,
        createDate: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        title: [
          { required: true, message: '事件标题不能为空', trigger: 'blur' }
        ],
        cover: [
          { required: true, message: '事件图片不能为空', trigger: 'blur' }
        ],
        sort: [
          { required: true, message: '排序不能为空', trigger: 'blur' }
        ],
        online: [
          { required: true, message: '上线，1上线，2下线不能为空', trigger: 'change' }
        ]
      }
    }
  },
  created() {
    this.getList()
  },
  methods: {
    /** 查询轮播图列表 */
    getList() {
      this.loading = true
      listRotation(this.queryParams).then(response => {
        this.rotationList = response.rows
        this.total = response.total
        this.loading = false
      })
    },
    // 取消按钮
    cancel() {
      this.open = false
      this.reset()
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        title: null,
        cover: null,
        content: null,
        sort: null,
        online: null,
        createBy: null,
        createDate: null,
        updateBy: null,
        updateDate: null,
        delFlag: null
      }
      this.resetForm('form')
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1
      this.getList()
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm('queryForm')
      this.handleQuery()
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset()
      this.open = true
      this.title = '添加轮播图'
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset()
      const id = row.id || this.ids
      getRotation(id).then(response => {
        this.form = response.data
        this.open = true
        this.title = '修改轮播图'
      })
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs['form'].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateRotation(this.form).then(response => {
              this.$modal.msgSuccess('修改成功')
              this.open = false
              this.getList()
            })
          } else {
            addRotation(this.form).then(response => {
              this.$modal.msgSuccess('新增成功')
              this.open = false
              this.getList()
            })
          }
        }
      })
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids
      this.$modal.confirm('是否确认删除轮播图的数据项？').then(function() {
        return delRotation(ids)
      }).then(() => {
        this.getList()
        this.$modal.msgSuccess('删除成功')
      }).catch(() => {
      })
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('rotation/rotation/export', {
        ...this.queryParams
      }, `rotation_${new Date().getTime()}.xlsx`)
    }
  }
}
</script>
